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Ultragenyx Pharmaceutical Inc.(RARE US)

$15.65-0.301.88%Ext:$15.41-0.241.56%(Market Closed · 23:56:08 UTC)

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Financials & Metrics

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RARE US​

Short Interest

Short Interest16.6M
Price$13.07
Sep 15, 2026
Short Float %17.52%
Short Ratio2.22

Daily Short Sale Volume

Short Volume332.0K
Price$22.72
Feb 20, 2026
Short Volume Ratio38.32%

Short Interest History

Settlement DateShort InterestShares FloatAvg. Daily VolumeShort FloatShort Ratio
Sep 15, 2026
16.6M
94.6M
7.5M
17.52%
2.22
Aug 31, 2026
17.1M
94.6M
2.1M
18.12%
8.00
Aug 14, 2026
15.9M
94.6M
2.0M
16.79%
7.78
Jul 31, 2026
15.0M
94.6M
1.8M
15.82%
8.28
Jul 15, 2026
13.4M
94.5M
1.9M
14.22%
6.94
Jun 30, 2026
16.2M
94.5M
4.5M
17.16%
3.60
Jun 15, 2026
14.3M
94.5M
1.6M
15.15%
8.85
May 29, 2026
14.7M
94.5M
1.5M
15.56%
9.83
May 15, 2026
14.0M
94.6M
1.7M
14.78%
8.22
Apr 30, 2026
13.7M
92.8M
1.6M
14.73%
8.40
Apr 15, 2026
12.1M
92.9M
1.7M
13.01%
7.09
Mar 31, 2026
11.4M
92.9M
2.4M
12.28%
4.81
Mar 13, 2026
9.9M
92.9M
2.1M
10.69%
4.78
Feb 27, 2026
9.6M
93.0M
1.8M
10.32%
5.40
Feb 13, 2026
9.9M
93.0M
2.5M
10.60%
3.92
Jan 30, 2026
9.1M
92.9M
2.4M
9.79%
3.85
Jan 15, 2026
8.9M
92.9M
3.3M
9.54%
2.72
Dec 31, 2025
8.0M
92.9M
4.3M
8.63%
1.88
Dec 15, 2025
8.6M
92.9M
1.5M
9.26%
5.66
Nov 28, 2025
8.9M
92.9M
1.2M
9.55%
7.17
Nov 14, 2025
7.8M
92.9M
1.5M
8.43%
5.33
Oct 31, 2025
7.1M
92.9M
1.3M
7.69%
5.63
Oct 15, 2025
8.7M
92.9M
1.4M
9.36%
6.16
Sep 30, 2025
7.7M
92.9M
2.0M
8.24%
3.89
Sep 15, 2025
7.9M
92.9M
1.5M
8.56%
5.15
Aug 29, 2025
8.3M
92.9M
1.2M
8.96%
6.78
Aug 15, 2025
8.4M
92.9M
1.7M
9.05%
4.85
Jul 31, 2025
7.6M
92.9M
2.6M
8.22%
2.97
Jul 15, 2025
8.8M
92.9M
3.5M
9.47%
2.49
Jun 30, 2025
6.8M
92.9M
1.0M
7.34%
6.77
Jun 13, 2025
6.1M
92.9M
1.2M
6.55%
5.12
May 30, 2025
5.5M
92.9M
1.0M
5.97%
5.53
May 15, 2025
5.9M
92.9M
1.0M
6.34%
5.70
Apr 30, 2025
5.5M
92.9M
884.8K
5.96%
6.26
Apr 15, 2025
5.5M
92.9M
1.1M
5.87%
4.84
Mar 31, 2025
4.5M
92.9M
685.5K
4.87%
6.60
Mar 14, 2025
4.8M
92.9M
794.5K
5.18%
6.06
Feb 28, 2025
4.6M
92.9M
718.4K
4.94%
6.39
Feb 14, 2025
4.3M
92.9M
692.3K
4.61%
6.19
Jan 31, 2025
4.2M
92.9M
752.1K
4.48%
5.54
Jan 15, 2025
4.3M
92.9M
1.3M
4.58%
3.30
Dec 31, 2024
4.0M
92.9M
873.8K
4.32%
4.60
Dec 13, 2024
3.7M
92.9M
648.5K
4.00%
5.73
Nov 29, 2024
3.4M
92.9M
580.0K
3.64%
5.83
Nov 15, 2024
3.3M
92.9M
1.1M
3.60%
2.94
Oct 31, 2024
3.2M
92.9M
556.6K
3.42%
5.71
Oct 15, 2024
3.2M
92.9M
688.3K
3.41%
4.60
Sep 30, 2024
2.9M
92.9M
602.3K
3.11%
4.79
Sep 13, 2024
3.6M
92.9M
577.0K
3.89%
6.26
Aug 30, 2024
3.5M
92.9M
681.6K
3.78%
5.15
Aug 15, 2024
3.8M
92.9M
898.8K
4.14%
4.28
Jul 31, 2024
4.2M
92.9M
644.6K
4.55%
6.56
Jul 15, 2024
4.4M
92.9M
760.0K
4.70%
5.74
Jun 28, 2024
4.2M
92.9M
1.2M
4.56%
3.52
Jun 14, 2024
5.0M
92.9M
1.1M
5.43%
4.54
May 31, 2024
4.5M
92.9M
736.5K
4.81%
6.06
May 15, 2024
4.3M
92.9M
786.4K
4.67%
5.52
Apr 30, 2024
4.7M
92.9M
682.0K
5.01%
6.82
Apr 15, 2024
4.4M
92.9M
739.4K
4.72%
5.93
Mar 28, 2024
3.9M
92.9M
553.1K
4.22%
7.08
Mar 15, 2024
3.8M
92.9M
778.4K
4.07%
4.86
Feb 29, 2024
3.9M
92.9M
750.9K
4.16%
5.15
Feb 15, 2024
3.6M
92.9M
627.6K
3.83%
5.67
Jan 31, 2024
3.4M
92.9M
888.9K
3.68%
3.84
Jan 12, 2024
4.1M
92.9M
910.7K
4.43%
4.52
Dec 29, 2023
4.1M
92.9M
653.4K
4.37%
6.21
Dec 15, 2023
3.3M
92.9M
890.6K
3.60%
3.75
Nov 30, 2023
3.2M
92.9M
668.7K
3.49%
4.84
Nov 15, 2023
3.5M
92.9M
849.8K
3.77%
4.12
Oct 31, 2023
4.2M
92.9M
1.7M
4.48%
2.40
Oct 13, 2023
3.3M
92.9M
891.1K
3.59%
3.75
Sep 29, 2023
3.9M
92.9M
694.4K
4.23%
5.66
Sep 15, 2023
3.4M
92.9M
699.4K
3.66%
4.86
Aug 31, 2023
3.4M
92.9M
517.6K
3.71%
6.66
Aug 15, 2023
3.5M
92.9M
640.4K
3.78%
5.49
Jul 31, 2023
3.6M
92.9M
422.5K
3.82%
8.41
Jul 14, 2023
4.0M
92.9M
454.7K
4.27%
8.72
Jun 30, 2023
3.7M
92.9M
677.9K
4.01%
5.49
Jun 15, 2023
3.1M
92.9M
574.9K
3.29%
5.31
May 31, 2023
3.2M
92.9M
734.9K
3.42%
4.32
May 15, 2023
3.5M
92.9M
711.3K
3.76%
4.91
Apr 28, 2023
3.0M
92.9M
708.1K
3.21%
4.21
Apr 14, 2023
2.9M
92.9M
627.9K
3.08%
4.55
Mar 31, 2023
3.1M
92.9M
539.6K
3.35%
5.77
Mar 15, 2023
3.0M
92.9M
557.2K
3.20%
5.34
Feb 28, 2023
3.1M
92.9M
552.6K
3.32%
5.58
Feb 15, 2023
3.3M
92.9M
517.1K
3.54%
6.36
Jan 31, 2023
3.4M
92.9M
646.1K
3.66%
5.27
Jan 13, 2023
3.6M
92.9M
725.8K
3.84%
4.92
Dec 30, 2022
3.4M
92.9M
662.3K
3.62%
5.08
Dec 15, 2022
3.4M
92.9M
868.5K
3.66%
3.92
Nov 30, 2022
3.0M
92.9M
767.2K
3.21%
3.88
Nov 15, 2022
3.0M
92.9M
835.4K
3.25%
3.62
Oct 31, 2022
3.0M
92.9M
707.5K
3.19%
4.19
Oct 14, 2022
3.2M
92.9M
960.9K
3.49%
3.38
Sep 30, 2022
3.1M
92.9M
607.1K
3.30%
5.04
Sep 15, 2022
3.1M
92.9M
575.1K
3.36%
5.43
Aug 31, 2022
2.9M
92.9M
720.8K
3.16%
4.07
Aug 15, 2022
3.0M
92.9M
661.6K
3.28%
4.61
Jul 29, 2022
2.8M
92.9M
1.1M
3.05%
2.47
Jul 15, 2022
3.0M
92.9M
514.2K
3.21%
5.81
Jun 30, 2022
2.9M
92.9M
574.9K
3.12%
5.03
Jun 15, 2022
2.7M
92.9M
517.9K
2.90%
5.21
May 31, 2022
2.7M
92.9M
683.7K
2.89%
3.93
May 13, 2022
3.0M
92.9M
635.4K
3.25%
4.75
Apr 29, 2022
3.1M
92.9M
430.9K
3.30%
7.11
Apr 14, 2022
2.9M
92.9M
533.5K
3.11%
5.41
Mar 31, 2022
2.8M
92.9M
401.1K
3.04%
7.03
Mar 15, 2022
2.9M
92.9M
343.7K
3.16%
8.54
Feb 28, 2022
3.0M
92.9M
370.9K
3.26%
8.16
Feb 15, 2022
3.3M
92.9M
490.4K
3.56%
6.74
Jan 31, 2022
3.5M
92.9M
384.2K
3.74%
9.05
Jan 14, 2022
3.5M
92.9M
458.5K
3.75%
7.61
Dec 31, 2021
3.5M
92.9M
384.7K
3.73%
9.01
Dec 15, 2021
3.9M
92.9M
526.5K
4.22%
7.45
Nov 30, 2021
4.0M
92.9M
376.6K
4.28%
10.55
Nov 15, 2021
4.1M
92.9M
358.3K
4.39%
11.38
Oct 29, 2021
3.7M
92.9M
422.9K
3.98%
8.74
Oct 15, 2021
3.9M
92.9M
366.5K
4.14%
10.51
Sep 30, 2021
4.0M
92.9M
408.3K
4.31%
9.82
Sep 15, 2021
3.9M
92.9M
370.3K
4.16%
10.43
Aug 31, 2021
4.0M
92.9M
377.0K
4.33%
10.66
Aug 13, 2021
4.0M
92.9M
565.5K
4.36%
7.16
Jul 30, 2021
4.1M
92.9M
386.0K
4.38%
10.55
Jul 15, 2021
3.9M
92.9M
470.4K
4.25%
8.39
Jun 30, 2021
3.8M
92.9M
1.3M
4.07%
2.92
Jun 15, 2021
4.9M
92.9M
557.3K
5.32%
8.87
May 28, 2021
5.1M
92.9M
381.7K
5.47%
13.31
May 14, 2021
5.1M
92.9M
526.4K
5.52%
9.74
Apr 30, 2021
5.5M
92.9M
296.2K
5.88%
18.44
Apr 15, 2021
5.4M
92.9M
370.0K
5.81%
14.59
Mar 31, 2021
5.5M
92.9M
451.2K
5.93%
12.21
Mar 15, 2021
5.5M
92.9M
377.4K
5.96%
14.68
Feb 26, 2021
5.9M
92.9M
380.9K
6.31%
15.40
Feb 12, 2021
5.3M
92.9M
323.4K
5.71%
16.42
Jan 29, 2021
5.3M
92.9M
371.4K
5.73%
14.34
Jan 15, 2021
5.5M
92.9M
545.9K
5.93%
10.09
Dec 31, 2020
5.8M
92.9M
585.8K
6.27%
9.94
Dec 15, 2020
6.3M
92.9M
418.4K
6.78%
15.05
Nov 30, 2020
6.6M
92.9M
250.6K
7.08%
26.23
Nov 13, 2020
6.8M
92.9M
553.3K
7.36%
12.35
Oct 30, 2020
7.1M
92.9M
467.2K
7.62%
15.14
Oct 15, 2020
7.4M
92.9M
311.6K
7.96%
23.72
Sep 30, 2020
7.0M
92.9M
315.4K
7.55%
22.23
Sep 15, 2020
6.9M
92.9M
362.9K
7.41%
18.97
Aug 31, 2020
6.8M
92.9M
230.2K
7.30%
29.46
Aug 14, 2020
6.8M
92.9M
273.2K
7.36%
25.04
Jul 31, 2020
8.0M
92.9M
342.7K
8.63%
23.41
Jul 15, 2020
8.0M
92.9M
490.6K
8.63%
16.34
Jun 30, 2020
7.7M
92.9M
612.0K
8.26%
12.53
Jun 15, 2020
7.4M
92.9M
371.0K
7.98%
19.99
May 29, 2020
7.6M
92.9M
512.2K
8.17%
14.83
May 15, 2020
7.5M
92.9M
457.7K
8.10%
16.45
Apr 30, 2020
7.4M
92.9M
537.1K
8.00%
13.84
Apr 15, 2020
7.4M
92.9M
534.3K
7.99%
13.90
Mar 31, 2020
7.5M
92.9M
668.0K
8.08%
11.24
Mar 13, 2020
6.9M
92.9M
478.2K
7.48%
14.53
Feb 28, 2020
6.5M
92.9M
448.9K
7.00%
14.49
Feb 14, 2020
6.4M
92.9M
354.7K
6.90%
18.07
Jan 31, 2020
6.7M
92.9M
435.6K
7.20%
15.36
Jan 15, 2020
6.4M
92.9M
824.2K
6.92%
7.80
Dec 31, 2019
6.5M
92.9M
424.3K
7.00%
15.32
Dec 13, 2019
6.1M
92.9M
529.9K
6.59%
11.56
Nov 29, 2019
6.9M
92.9M
590.0K
7.40%
11.65
Nov 15, 2019
7.3M
92.9M
516.7K
7.86%
14.14
Oct 31, 2019
6.4M
92.9M
434.4K
6.87%
14.69
Oct 15, 2019
6.1M
92.9M
511.6K
6.56%
11.91
Sep 30, 2019
5.7M
92.9M
674.1K
6.12%
8.43
Sep 13, 2019
5.4M
92.9M
1.1M
5.82%
5.02
Aug 30, 2019
5.8M
92.9M
304.6K
6.22%
18.96
Aug 15, 2019
6.6M
92.9M
458.1K
7.09%
14.39
Jul 31, 2019
6.2M
92.9M
441.8K
6.68%
14.04
Jul 15, 2019
6.2M
92.9M
382.6K
6.65%
16.14
Jun 28, 2019
5.5M
92.9M
443.3K
5.89%
12.34
Jun 14, 2019
5.5M
92.9M
383.5K
5.91%
14.32
May 31, 2019
5.0M
92.9M
373.0K
5.39%
13.43
May 15, 2019
4.6M
92.9M
530.6K
4.98%
8.73
Apr 30, 2019
4.8M
92.9M
602.7K
5.12%
7.89
Apr 15, 2019
5.5M
92.9M
444.2K
5.89%
12.32
Mar 29, 2019
5.4M
92.9M
602.1K
5.82%
8.98
Mar 15, 2019
5.7M
92.9M
707.0K
6.13%
8.05
Feb 28, 2019
6.0M
92.9M
1.1M
6.44%
5.45
Feb 15, 2019
5.6M
92.9M
473.6K
6.05%
11.87
Jan 31, 2019
5.5M
92.9M
457.7K
5.90%
11.98
Jan 15, 2019
5.1M
92.9M
748.9K
5.47%
6.78
Dec 31, 2018
5.0M
92.9M
582.9K
5.37%
8.55
Dec 14, 2018
4.8M
92.9M
458.4K
5.16%
10.46
Nov 30, 2018
4.9M
92.9M
435.3K
5.29%
11.28
Nov 15, 2018
4.8M
92.9M
602.2K
5.21%
8.04
Oct 31, 2018
4.4M
92.9M
667.8K
4.71%
6.55
Oct 15, 2018
4.5M
92.9M
650.7K
4.81%
6.87
Sep 28, 2018
4.9M
92.9M
507.0K
5.26%
9.63
Sep 14, 2018
4.8M
92.9M
434.0K
5.13%
10.97
Aug 31, 2018
4.8M
92.9M
429.9K
5.16%
11.14
Aug 15, 2018
4.9M
92.9M
425.2K
5.25%
11.47
Jul 31, 2018
5.1M
92.9M
449.0K
5.45%
11.28
Jul 13, 2018
5.0M
92.9M
386.5K
5.36%
12.88
Jun 29, 2018
5.1M
92.9M
545.4K
5.46%
9.30
Jun 15, 2018
5.7M
92.9M
701.5K
6.10%
8.08
May 31, 2018
5.3M
92.9M
612.7K
5.65%
8.57
May 15, 2018
5.2M
92.9M
496.7K
5.58%
10.44
Apr 30, 2018
5.0M
92.9M
448.8K
5.33%
11.03
Apr 13, 2018
5.0M
92.9M
336.4K
5.37%
14.83
Mar 29, 2018
5.1M
92.9M
518.0K
5.53%
9.92
Mar 15, 2018
4.9M
92.9M
446.6K
5.26%
10.94
Feb 28, 2018
4.8M
92.9M
554.3K
5.15%
8.63
Feb 15, 2018
4.6M
92.9M
630.8K
4.91%
7.22
Jan 31, 2018
4.8M
92.9M
897.6K
5.19%
5.37
Jan 12, 2018
5.7M
92.9M
409.7K
6.18%
14.01
Dec 29, 2017
5.5M
92.9M
383.8K
5.94%
14.38